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Operating Instructions Teledyne API – T101 Operation Manual
66
4.4.2. SETUP – ACAL: AUTO CALIBRATION
Used to set up and operate the internal valve options if installed. Section 6 provides
details.
4.4.3. SETUP – DAS: DATA ACQUISITION
Used to set up the data acquisition system and record data.
4.4.4. SETUP – RANGE: ANALOG OUTPUT REPORTING RANGE
CONFIGURATION
4.4.4.1. Available Analog Output Signals
The analyzer has three active analog output signals, accessible through a connector on the
rear panel.
ANALOG OUT
A1 A2 A3 A4
+ - + - + - + -
H
2
S/SO
2
concentration out
p
uts
HIGH range when
DUAL mode is selecte
d
Not Used
Test Channel
LOW range when
DUAL mode is selected
Figure 4-3. Analog Output Connectors Defined
All three outputs can be configured either at the factory or by the user for full scale
outputs of 0.1 VDC, 1VDC, 5VDC or 10VDC. Additionally A1 and A2 may be equipped
with optional 0-20 mADC current loop drivers and configured for any current output
within that range (e.g. 0-20, 2-20, 4-20, etc.). The user may also adjust the signal level
and scaling of the actual output voltage or current to match the input requirements of the
recorder or data logger (See Sections 4.6.3.3 and 4.6.3.5).
In its basic configuration,
the A1 and A2 channels of the T101 output a signal that is
proportional to the H
2
S concentration of the sample gas. Several operating modes are
available which allow them to be slaved together (SNGL Mode, see Section 4.4.4.4 or
07266B DCN6485